David W. Deley   

Einstein
  • Research & Development
  • Computer Science & Programming
  • Technical Writer
  • Systems Design
  • INTP Rational (the “Knowledge Seeking” personality)
Toward the end of the visit, Einstein asked Leo about his profession. "I'm a plumber," he said. "Good," replied Einstein, "Can you tell me where the bathroom is?"
Einstein the plumber     

Cognitive Science

brain THE SCIENCE OF COMPREHENSION New
How We Understand and Reason About Abstract Concepts
The New 21st-Century Paradigm Shift
Surprisingly, the answer is, "No."
“It is hard to underestimate how far the idea that concepts are physically embodied, using the sensory motor system of the brain, is from disembodied Enlightenment reason—from the usual view of concepts as disembodied abstractions, entirely separate from the sensory motor system.”—George Lakoff, professor of Cognitive Science, UC Berkeley

A Picture Tour of Santa Barbara, California

Santa Barbara A Picture Tour of Santa Barbara, California, from a long time resident's point of view. Get the inside story of what really happens in Santa Barbara.

HUMOROUS PROSE



Projects

Slicing Water Balloon with Knife Water Rocket at Launch
Digital Timer Digital Timer Control Panel
Digital Timer underside Light Dimmer




Newage music cross reference.
Find more of the newage music you like.
music notesmusic notesmusic notes
For people who love newage music



bluebeads

Technical Research Papers
Computer Science

Pentium Division Bug THE PENTIUM DIVISION FLAW.
A computer which can't do math? After two million original Intel Pentium(TM) processors were sold in the first year, it was discovered they gave incorrect results in rare cases. It is quite interesting to study the details behind the flaw, as it brings together many aspects of computer science. Includes a detailed description of the radix 4 SRT division algorithm used by the Pentium.

dice HOW COMPUTERS GENERATE RANDOM NUMBERS.
How do computers, which are completely deterministic machines, generate random numbers?

Advanced Kindle Formatting Advanced Kindle Formatting
a big book I recently published.

Brief Introduction to Unicode Brief Introduction to Unicode
a little booklet I recently published.

Array PAGE FAULTS AND ARRAY ADDRESSING
Understanding what a page fault is can sometimes be crucial to writing efficient code. An overview of virtual memory, page faults, and array addressing in code is presented.

CRC How cyclic redundancy codes work
Article describing how Cyclic Redundancy Codes work

EDX Spelling Checker EDX Spelling CheckerOffsite
Fast embedded spelling checker code.

Low Battery BatteryDeleyOffsite
A low battery alert for laptop computers. (free!)

Prime Numbers Find Next Prime
A routine for finding the next highest prime given a starting number. Useful for making hash tables. Also routines for generating prime numbers and for finding the prime factors of a given number.

RMS Internals VMS file organizations
Explanation of all the Record Management Services (RMS) internal file organizations and how files are stored on disks.

crash Analyze System Crash
An example analysis of a system crash using the Symbolic Dump Analyzer.

saddle Optimize Function
Given a scalar function F, which is a function of several scalar variables {x(1),x(2),...,x(n)}, find the values of {x(1),x(2),...,x(n)} which MINIMIZE the value of function F. Code provides a choice of the Conjugate Direction Method of Fletcher and Reeves (CDM), or POWELL's method.

Engineering

Artificial Pancreas System Artificial Pancreas System
I coded the first version of an Artificial Pancreas System in C# in October of 2011 while working for the University of California Santa Barbara (UCSB) and the Sansum Diebetic Research Institute.


Inverted Pendulum CONTROLLING THE INVERTED PENDULUM
An example of a digital feedback control system. Intense mathematics.

Documentation

Multi-Edit 2006 User's Guide Multi-Edit 2006 User's Guide Title Page
I was chief editor of the Multi-Edit 2006 User's Manual


DOCUMENTATION I WROTE FOR AUTOHOTKEY
AutoHotkey Logo
OTHER DOCUMENTATION I WROTE

My Degrees mortarboard

diploma

My Resumé Resumé




PROF. DELEY TALKS ABOUT...
Professor Deley

Solutions



Links
My List of Fun Sites to visit
Spritzy Web Page For People Who Are Sensory Stimulation Deprived
For those who feel this page isn't fancy enough and yearn to see the greatest most complex gaudiest graphical page ever I made this one just for you.



David W. Deley
In the beginner’s mind there are many possibilities;
In the expert’s mind there are few.

—Shunryu Suzuki: Zen Mind, Beginner’s Mind
David W. Deley
candle
What is to give light must endure burning.
—Anton Wildgans1



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Depression as a Medical Illness


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Last Update: November 12, 2014

All documents at this site (sitemap) are Copyright © David W. Deley. Permission is granted to use them freely as long as the original author is cited. (Commercial companies should contact me to make sure.)


References:
1. Toward the end of the visit, Einstein asked Leo about his profession. “I'm a plumber,” he said. “Good,” replied Einstein, “Can you tell me where the bathroom is?”
http://www.3ap.org/features/leo/leoScanlonBio6.shtml